Tesla Model 3 Owners & Service Manuals

Tesla Model 3: AC charging interruptedCheck power source or charging equipment(CP_a055)

Tesla Model 3 2017-2022 Owner's Manual / Consumer Information / Troubleshooting Alerts / AC charging interruptedCheck power source or charging equipment(CP_a055)

Charging stopped because communication between the vehicle and the external charging equipment was interrupted.

Confirm whether the external charging equipment is powered by looking for any status lights, displays, or other indicators on the equipment.

If the equipment is not powered, try to restore the external charging equipment's power source.

  • If attempting to charge at a public station and power is unable to be restored, contact the station operator.
  • If attempting to charge at a private station (for example: charging at home) and power is unable to be restored, contact an electrician.

If the equipment is powered, try charging the vehicle using different external charging equipment.

  • If the vehicle begins charging, the issue was likely with the equipment.
  • If the vehicle still does not charge, the issue may be with the vehicle.

Service should only be scheduled if this alert has appeared / remains present when the equipment is powered and the vehicle has been unable to charge with multiple, different charging equipment.

For more information on troubleshooting Mobile Connector or Wall Connector status lights, refer to the product's Owner's Manual.

If using other external charging equipment, refer to the manufacturer's provided documentation for troubleshooting tips.

Charge port latch not engagedFully insert charge cable or check for obstruction(CP_a054)

The charge port latch is unable to latch the charge cable in the charge port inlet. If the latch is not engaged, AC charging (for example, charging with a Tesla Mobile Connector or Wall Connector) will be limited to 16A and DC Fast Charging / Supercharging will be unavailable.

The charge port light will pulse amber if this alert appears during AC charging and will be solid amber if this alert appears when attempting to DC Fast Charge / Supercharge.

Try re-inserting the charge cable fully into the charge port inlet.

  • If the vehicle begins charging and the charge port light pulses green, the charge cable may not have been fully inserted.

    The latch may not have engaged during previous attempts, because the cable was not fully inserted, even though it may have appeared to be. AC charging should no longer be limited and DC Fast Charging / Supercharging should be possible.

  • If charging is still limited or the vehicle does NOT charge, inspect the charge port inlet and the charge cable connector for any obstructions (use flashlight as necessary). Debris, and/or foreign objects present in the charge port inlet or the charge cable connector can prevent the charge cable from being fully inserted and the charge port latch from engaging. If any obstruction is found:
  1. Remove the debris / foreign object.
  2. Try re-inserting the cable into the inlet. AC charging should no longer be limited and DC Fast Charging / Supercharging should be possible.

Service should only be scheduled if any of the following conditions are present:

  • This alert has appeared / remains present when the charge cable is confirmed to be fully inserted during charging.
  • This alert has appeared / remains present during charging after any inlet or connector obstruction has been removed or no obstruction was found.

For more information on charging

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     Declarations of Conformity

    FCC and IC Certification The devices listed above comply with Part 15 of the FCC rules and Industry Canada's licenseexempt RSS Standard(s) and EU Directive 2014/53/EU. Operation is subject to the following two conditions: This device may not cause harmful interference; and This

     During Charging

    During charging, the charge port light (the Tesla "T" logo) pulses green, and the touchscreen displays the charging status. The frequency at which the charge port light pulses slows down as the charge level approaches full. When charging is complete, the light stops pulsing and is so

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